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10/4/2009 8:28:35 AM EDT
I read an Ace stock removal post earlier, and understand how to remove one. But the problem with mine, is that the front flange(?) is stuck on the buffer tube. The guy I got the lower from said it was a bitch getting it on the tube. So, can I drift out the cross pin in the lower tube portion so I can pull off the buttplate? This should let me use a wrench and unscrew the buffer tube from the lower rec which should allow me to have easier access to to work on getting the front portion off. Right?? Anyone ever drift the crosspin out? Thanks. Greg
10/4/2009 1:41:56 PM EDT
[#1]
I had an ACE stock on my AR and recently replaced it with a Magpul MOE.
Are you talking aboout this kind of ACE stock?
http://i594.photobucket.com/albums/tt26/hoteldelta/ACE_Skeleton-A2-fixed-1.jpg

If so, unless you lube the foam with WD40 it is NOT going to slide off the buffer tube. Period. Stop.
What I did was to pull the butt plate back far enough to get a pencil to pry the foam away from the tube and squirted WD40 into it. Also go to the front and try to push the foam back far enough to get some WD40 in there as well. Once you start the foam moving keep squirting WD40 in between the foam and tub and it wil slide off a slick as a . . . well you know.
Cheers
10/4/2009 2:04:43 PM EDT
[#2]
Yes, thats the stock. The foam isn't the problem.....I can't get the front ring, flange, whatever you want to call it, to slide back on the buffer tube. I can slide the foam backward on the buffer tube, but I can't get any grip or leverage to get the front ring to slide. Apparently its frozen on the buffer tube. And theres no way to just unscrew the buffer tube because the lower stock tube goes into the detent in the rear of the lower receiver. Thats why I was wondering if I can take out the crosspin in the buttplate/lower tube. Then I could get a crescent wrench on the flats of the buffer tube and maybe unscrew the buffer tube, which might break the front ring free from the tube.
10/4/2009 3:00:35 PM EDT
[#3]
Don't forget there is a projection on the front of the stock mounting ring that fits into the rear of the lower receiver. Getting a wrench on the end of the buffer tube and forcing it could damage  both the ring and receiver.
Try dribbling Kroil or WD40 into the ring, and maybe apply a little heat (not suggesting how - but a heat gun comes to mind.) to the ring in case someone used thread locker under the ring.
My mounting ring was a close fit but did not bind on the tube. The tube is probably slightly oversize.
Look at the picture - see the protrusion on the front of the ring.

http://i594.photobucket.com/albums/tt26/hoteldelta/IMG_1072.jpg
10/4/2009 3:47:54 PM EDT
[#4]
I know this is probably an overly simplistic question but have you tried gently popping the inside of the butt with a rubber mallet?
10/4/2009 4:15:26 PM EDT
[#5]
Yea, I know the lower tube protrudes into the rear of the receiver. I thought if I could put a "little" pressure on the buffer tube with the wrench, with the front ring being held, I might be able to get things to free up. I'll probably just put some penetrating oil on it to sit overnight and see what happens. Thanks for the replies. Greg
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